CN105008205A - Parallel cardan drive-type steering bogie - Google Patents

Parallel cardan drive-type steering bogie Download PDF

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Publication number
CN105008205A
CN105008205A CN201480011952.1A CN201480011952A CN105008205A CN 105008205 A CN105008205 A CN 105008205A CN 201480011952 A CN201480011952 A CN 201480011952A CN 105008205 A CN105008205 A CN 105008205A
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CN
China
Prior art keywords
axletree
retarder
electrical motor
output shaft
constant speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201480011952.1A
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Chinese (zh)
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CN105008205B (en
Inventor
佐藤与志
中尾俊一
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Kawasaki Motors Ltd
Original Assignee
Kawasaki Jukogyo KK
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Publication of CN105008205A publication Critical patent/CN105008205A/en
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Publication of CN105008205B publication Critical patent/CN105008205B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • B61C9/50Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/38Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F3/00Types of bogies
    • B61F3/02Types of bogies with more than one axle
    • B61F3/04Types of bogies with more than one axle with driven axles or wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/38Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • B61F5/46Adjustment controlled by a sliding axle under the same vehicle underframe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/18Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/20Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
    • F16D3/22Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
    • F16D3/223Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
    • F16D3/226Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
    • F16D3/227Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Power Steering Mechanism (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Abstract

A parallel cardan drive-type steering bogie (3) is provided with: a bogie frame (7); first and second axles (9) disposed along a vehicle-width direction at the front and the rear in a vehicle-length direction; a steering mechanism (30) which steers by rotating both the first and second axles (9) with respect to the bogie frame (7); first and second electric motors (12) which are respectively disposed, in a state of being supported on the bogie frame (7), at the front and the rear in the vehicle-length direction, and which are respectively provided with first and second output shafts (28) that are parallel with respect to the first and second axles (9) when steering is not being performed; first and second reduction gears (13) respectively connected to the first and second axles (9); and first and second constant-velocity ball joints (15) which respectively couple the first and second output shafts (28) to the first and second reduction gears (13), and which are made to track the rotation of the first and second axles (9) during steering to cause relative displacement of the first and second output shafts (28) and the first and second reduction gears (13).

Description

The steering bogie of parallel universal type of drive
Technical field
The present invention relates to the steering bogie of railway vehicle by parallel universal type of drive.
Background technology
In the past, the steering bogie (such as with reference to patent documentation 1 ~ 4) that the angle of the axletree on deflecting direction is changed along with curved path is proposed in the bogie truck of railway vehicle.By means of this, reduced by the horizontal pressure (turning resistance) acting on wheel during curve at bogie truck, therefore improve riding stability during sharply turning, and reduce the grating between wheel and circuit, thus the wearing and tearing etc. of wheel can also be reduced.
But, suppose to arrange steering hardware on the driving bogie truck of parallel universal type of drive (parallel cardan jointed drive), the axletree be then diverted when bogie truck is turned is subjected to displacement significantly on deflecting direction, causes the permission off normal of the WN coupler exceeding connection reducer and electrical motor.WN coupler allows off normal by the backlash be formed between the internal tooth of urceolus and the external tooth of inner core, but owing to needing the correct engagement guaranteeing internal tooth and external tooth, therefore increasing backlash has the limit.Therefore, be turning function to be set on the driving bogie truck of parallel universal type of drive at present.
Relative to such present situation, propose in patent documentation 5 using the axletree of side as axle drive shaft, using the axletree of opposite side as subsidiary axle, only make subsidiary axle possess the steering bogie of turning function.By means of this, only make the subsidiary axle steer not needing electrical motor, coupler and retarder, therefore without the need to considering the off normal limit because of the coupler turned to.
Prior art document:
Patent documentation:
Patent documentation 1: Japanese Unexamined Patent Publication 6-135330 publication;
Patent documentation 2: Japanese Unexamined Patent Publication 10-203364 publication;
Patent documentation 3: International Publication No. 2009/038068 publication;
Patent documentation 4: Japanese Unexamined Patent Publication 2010-167835 publication;
Patent documentation 5: Japanese Unexamined Patent Publication 2010-58650 publication.
Summary of the invention
The problem that invention will solve:
But, in the axletree of a pair, front and back, only make an axle steer, therefore cause the difference according to travel direction and minimizing effect towards the horizontal pressure of wheel changes.Again, the driving bogie truck with a pair axletree can only arrange an axle drive shaft, therefore in the marshalling vehicle be formed by connecting at multiple vehicle, need to drive the vehicle (driving vehicle) of bogie truck to increase, the vehicle (non-driven vehicle) being unworthy of the equipment (potential device, transfer device, power cable etc.) being ready for use on driving reduces, and causes cost increase etc.
Therefore, the object of the invention is to suppress the change of turning function because travel direction causes and the cost increase of suppression railway vehicle, and realize the driving bogie truck with the parallel universal type of drive of turning function.
The means of dealing with problems:
The railway vehicle according to the present invention steering bogie of parallel universal type of drive possesses: for supporting the truck frame of the vehicle body of railway vehicle; The first axletree configured along overall width direction in the front of vehicle lengthwise direction and rear and the second axletree; Relative to described truck frame, both described first axletree and the second axletree are rotated and the steering hardware turned to; Be configured in front and the rear of vehicle lengthwise direction under with the state being supported in described truck frame respectively, and there is the first electrical motor and second electrical motor of first output shaft parallel with described first axletree and the second axletree when non-turning to and the second output shaft respectively; The first retarder be connected respectively with described first axletree and the second axletree and the second retarder; Described first output shaft and the second output shaft are connected respectively with described first retarder and the second retarder, follow the rotation of described first axletree when turning to and the second axletree, make the first constant speed ball coupling and the second constant speed ball coupling that relative displacement occurs between described first output shaft and the second output shaft and described first retarder and the second retarder.
According to said structure, the coupler connected between output shaft and retarder is constant speed ball coupling, therefore without the need to arranging backlash as existing WN coupler, can carry out sphere guiding allow larger off normal with this by ball.Therefore, when axletree is diverted bogie truck by curve, even if axletree significantly relative displacement occurs relative to the electrical motor supported by truck frame on deflecting direction, constant speed ball coupling also can be made to follow this displacement.And because constant speed ball coupling can follow turning to of axletree, therefore realizing both the first axletree and the second axletree all becomes the axle drive shaft that can turn to.Consequently, the steering bogie of the parallel universal type of drive of the cost increase that can suppress the change of the turning function caused because of travel direction and suppress railway vehicle can be provided.
Invention effect:
As shown in the above description, according to the present invention, the steering bogie of the parallel universal type of drive of the cost increase that can suppress the change of the turning function caused because of travel direction and suppress railway vehicle can be provided.
Accompanying drawing explanation
Fig. 1 is the lateral plan of the steering bogie of the parallel universal type of drive illustrated according to example;
Fig. 2 is the birds-eye view of the steering bogie of the parallel universal type of drive shown in Fig. 1;
Fig. 3 is the cutaway view of the constant speed ball coupling (ball joint) of the steering bogie shown in Fig. 2;
Fig. 4 is the important part birds-eye view in the groove portion of the constant speed ball coupling shown in instruction diagram 3;
Fig. 5 is that the railway vehicle of the steering bogie carrying parallel universal type of drive shown in Fig. 1 is by schematic top plan view during curve;
Fig. 6 is the enlarged view of the steering bogie of the parallel universal type of drive shown in Fig. 2;
Fig. 7 (a) in Fig. 7 is the schematic diagram that the vehicle lengthwise direction displacement caused because of suspension between electrical motor and retarder is described, Fig. 7 (b) is the schematic diagram that the overall width direction displacement caused because of suspension between electrical motor and retarder is described, Fig. 7 (c) is the schematic diagram that the vertical displacement caused because of suspension between electrical motor and retarder is described;
Fig. 8 (a) in Fig. 8 is the schematic diagram of the position relationship illustrated between electrical motor under non-steering state and retarder, Fig. 8 (b) illustrates that axletree is by the schematic diagram of steering hardware to the state of a directional steering, and Fig. 8 (c) illustrates that axletree is by the schematic diagram of steering hardware to the state of another directional steering.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings of example.
Fig. 1 is the lateral plan of the steering bogie 3 of the parallel universal type of drive illustrated according to example.Fig. 2 is the birds-eye view of the steering bogie 3 of the parallel universal type of drive shown in Fig. 1.The direction of in the following description railway vehicle 1 being advanced and the length direction that vehicle body 2 extends is defined as vehicle lengthwise direction, the transverse direction orthogonal with it is defined as overall width direction (in addition, in this example, vehicle lengthwise direction is also referred to as fore-and-aft direction, and overall width direction is also referred to as left and right directions).Again, in figure, identical symbol is marked with for identical structure.
As shown in Figure 1 and Figure 2, the bogie truck 3 of this example is the bogie truck of the vehicle body 2 supporting railway vehicle 1 from below, is formed as being viewed as point-symmetric structure from bogie pivot center when overlooking.Bogie truck 3 possesses the bolster 5 extended on overall width direction for being supported vehicle body 2 by air bellow 4.Bolster 5 is connected with the support 2a of vehicle body 2 by bolster pull bar 16.Bolster 5 is by being configured in turning guide the 6(such as center pin and cartridge of bogie pivot center when overlooking) be connected with truck frame 7.That is, truck frame 7 supports bolster 5 from below slidably with the form can carrying out flat bank relative to bolster 5.
Truck frame 7 has the crossbeam 7a that extends on overall width direction in the below of bolster 5 and is connected with the both ends in the overall width direction of crossbeam 7a and a pair curb girder 7b extended in vehicle lengthwise direction, presents H-shaped shape when overlooking.The first axletree 9 and the second axletree 9 extended along overall width direction is respectively configured with in the front of crossbeam 7a and rear.Wheel 8 is respectively arranged with in the left and right sides of axletree 9.At the both ends in the overall width direction of axletree 9, the position compared with wheel 8 outside overall width direction is provided with the bearing 10 rotatably supporting axletree 9, and this bearing 10 is contained in axle box 11.Axle box 11 is by having the axle box supportive device 17(suspension of coil spring (axle spring)) be combined with curb girder 7b elasticity and be suspended.This axle box supportive device 17 can utilize all kinds of known bloster formula etc.
The first electrical motor 12 and the second electrical motor 12 is configured with respectively in the front of crossbeam 7a and rear.First electrical motor 12 and the second electrical motor 12 be not installed on axletree 9 and and the state that space is set between axletree 9 be fixed on truck frame 7.First axletree 9 and the second axletree 9 are connected with the first retarder 13 and the second retarder 13 respectively.First retarder 13 and the second retarder 13 can rotate around the first axletree 9 and the second axletree 9 respectively when side-looking, and the end of the crossbeam 7a side of retarder 13 is combined with crossbeam 7a elasticity by supporting mechanism 14.That is, can there is relative displacement relative to truck frame 7 in the first retarder 13 and the second retarder 13 on upper and lower, front and back and left and right directions.
The output shaft 28 of the first electrical motor 12 and the second electrical motor 12 is connected with the input shaft 29 of the first retarder 13 and the second retarder 13 respectively by constant speed ball coupling 15.The output shaft 28 of the first electrical motor 12 and the second electrical motor 12 and the input shaft 29 of the first retarder 13 and the second retarder 13 when following steering hardware 30 is in non-steering state and the first axletree 9 and the second axletree 9 extend on overall width direction abreast.Electrical motor 12 and retarder 13 are arranged on overall width direction with the overlapped form when side-looking.That is, the bogie truck 3 of this example is the driving bogie truck of so-called parallel universal type of drive.
Bogie truck 3 is provided with and relative to truck frame 7, both first axletree 9 and the second axletree 9 is rotated and the steering hardware 30 turned to deflecting direction.Steering hardware 30 possesses with the jack back 18 of the form extended in vertical outside the overall width direction of crossbeam 7a configuration.The top of jack back 18 is installed on bolster 5 or bolster pull bar 16 by connecting rod 19a with form rotating on fulcrum 19.The side being installed on truck frame 7 compared with fulcrum 19 near the part of below with form rotating on fulcrum 20 of jack back 18.Part between the fulcrum 19 of jack back 18 and fulcrum 20 is installed on an end of pipe link 24 with form rotating on fulcrum 21, and the other end of this pipe link 24 is connected rotationally with the axle box 11 of the side of vehicle lengthwise direction.
The end being installed on pipe link 25 compared with fulcrum 20 near the part of below with form rotating on fulcrum 22 of jack back 18, the other end of this pipe link 25 is connected rotationally with the axle box 11 of the opposite side of vehicle lengthwise direction.Each fulcrum 19 ~ 22 is made up of the attaching parts be rotatably connected by two components (such as pin etc.).So, when bogie truck 3 is by curve, both the axletrees 9 before and after jack back 18 shakes and makes centered by fulcrum 19 in vertical plane can turn to.Then, when turning to, constant speed ball coupling 15 is followed the rotation of axletree 9 neatly and off normal occurs, and allows, between the output shaft 28 of electrical motor 12 and the input shaft 29 of retarder 13, relative displacement occurs with this.
Fig. 3 is the cutaway view of the constant speed ball coupling 15 of the steering bogie 3 shown in Fig. 2.Fig. 4 is the groove portion 31b(32b of the constant speed ball coupling 15 shown in instruction diagram 3), 36a(37a) important part birds-eye view.As shown in Figure 3 and 4, constant speed ball coupling 15 possesses: first inner core 31 with the patchhole 31a be combined with output shaft 28 spline of electrical motor 12; With second inner core 32 with the patchhole 32a be combined with input shaft 29 spline of retarder 13.First inner core 31 and the second inner core 32 separate.On the outer peripheral face of inner core 31,32, in the circumferential direction across being formed with multiple groove portion 31b, 32b of extending on the axis direction of output shaft 28 and input shaft 29 at equal intervals.
The radial outside of the first inner core 31 and the second inner core 32 is provided with the first urceolus 36 and the second urceolus 37.First urceolus 36 and the second urceolus 37 are interconnected by dividing plate 33.At the inner peripheral surface of urceolus 36,37, in the circumferential direction across being formed with multiple groove portion 36a, 37a of extending on the axis direction of output shaft 28 and input shaft 29 at equal intervals.And ball 34,35 is in groove portion 31b, 32b of inner core 31,32 and being clamped sliding freely between groove portion 36a, 37a of urceolus 36,37.The ball distance ring 38,39 of the ring-type being locked in inner core 31,32 is configured with between inner core 31,32 and urceolus 36,37.On ball distance ring 38,39, in the circumferential direction across being formed with the multiple ball holes keeping each ball 34,35 sliding freely at equal intervals.And groove portion 31b, 32b of inner core 31,32 and groove portion 36a, 37a of urceolus 36,37 extend on the equidirectional of the axis direction along output shaft 28 and input shaft 29.
Fig. 5 is that the railway vehicle 1 of the steering bogie 3 carrying parallel universal type of drive shown in Fig. 1 is by schematic top plan view during curve.In Figure 5, trajectory 100 be to represent by pair of tracks (not shown) between the curve of line of centers.In railway vehicle 1 when passing through curve, steering hardware 30(is with reference to Fig. 1 and Fig. 2) compress into action work by putting on the horizontal of the wheel 8 of bogie truck 3 from track, and carry out self-steering with axletree 9 towards the form in the direction roughly orthogonal with trajectory 100.Here, suppose to be set to L by 1/2nd of the axle base of bogie truck 3, the radius of curvature of trajectory 100 is set to R, when enhancement coefficient will be turned to be set to λ, deflection angle θ s is represented by following mathematical expression 1.
[mathematical expression 1]
Fig. 6 is the enlarged view of the steering bogie 3 of the parallel universal type of drive shown in Fig. 2.As shown in Figure 6, electrical motor 12 is configured on the imaginary line SL of the vehicle lengthwise direction of the turning center O by axletree 9.Electrical motor 12 has the housing 27 holding rotor and stator.Housing 27 has the pars intermedia 27a of the zone line being positioned at its overall width direction and is positioned at the outside portion 27b of exterior lateral area in overall width direction relative to pars intermedia 27a.That is, outside portion 27b to be arranged at compared with pars intermedia 27a on overall width direction from the position away from imaginary line SL.
The surperficial 27ba of the close axletree 9 of outside portion 27b is arranged at compared with the surperficial 27aa of the close axletree 9 of pars intermedia 27a from the position away from axletree 9.Specifically, outside portion 27b surperficial 27ba with in vehicle lengthwise direction with the distance of this axletree 9 along with the form to overall width direction outer row and then increase tilts.In this example, the surperficial 27ba of outside portion 27b is formed as taper, but also can be circular arc.In addition, the housing 27 of Fig. 6 is formed as shape roughly symmetrical on overall width direction, but also can be asymmetric.
As this is shown in phantom in fig. 6, by steering hardware 30(with reference to Fig. 1 and Fig. 2) axletree 9 is turned to time, the part in axletree 9 outside overall width direction can move with the form near electrical motor 12.But, owing to making the housing 27 of electrical motor 12 be formed as above-mentioned shape, under the state therefore guaranteeing gap between the surperficial 27ba and axletree 9 of the outside portion 27b of housing 27, when overlooking, axletree 9 can intersect with the imaginary extended line VL of the surperficial 27aa of pars intermedia 27a on overall width direction.
Fig. 7 (a) is the schematic diagram that the vehicle lengthwise direction displacement caused because of axle box supportive device 17 between electrical motor 12 and retarder 13 is described, Fig. 7 (b) is the schematic diagram that the overall width direction displacement caused because of axle box supportive device 17 between electrical motor 12 and retarder 13 is described, Fig. 7 (c) illustrates the schematic diagram because of the vertical displacement caused because of axle box supportive device 17 between electrical motor 12 and retarder 13.The axle box supportive device 17(of bogie truck 3 is with reference to Fig. 1) on upper and lower, front and back and left and right directions, there is alerting ability.Therefore, the relative displacement (Fig. 7 (a)) that can produce the fore-and-aft direction caused by axle box supportive device 17 between the electrical motor 12 of truck frame 7 side and the retarder 13 being installed on axletree 9 side respectively, the relative displacement (Fig. 7 (b)) of the left and right directions caused by axle box supportive device 17 and the relative displacement (Fig. 7 (c)) of above-below direction that caused by axle box supportive device 17 is installed on.
Here, as shown in Figure 7 (a), the allowable displacement of the fore-and-aft direction caused because of axle box supportive device 17 between the electrical motor 12 in bogie truck 3 and retarder 13 is set to δ x.Again, as shown in Figure 7 (b) shows, the allowable displacement in the overall width direction caused because of axle box supportive device 17 between the electrical motor 12 in bogie truck 3 and retarder 13 is set to δ y.Again, as shown in Fig. 7 (c), the allowable displacement of the above-below direction caused because of axle box supportive device 17 between the electrical motor 12 in bogie truck 3 and retarder 13 is set to δ z.These allowable displacements δ x, δ y, δ zrepresent with the higher limit of following neutral condition for the relative shift between electrical motor during benchmark 12 and retarder 13, this neutral condition is that the output shaft 28(of electrical motor 12 is with reference to Fig. 2) the input shaft 29(of axis and retarder 13 with reference to Fig. 2) axis consistent and center that is axletree 9 in the lateral direction and truck frame 7(reference Fig. 2) the consistent state in center, above-mentioned value depends on the structure etc. of the bogie truck 3 comprising axle box supportive device 17.
Fig. 8 (a) is the schematic diagram of the position relationship illustrated between electrical motor 12 under non-steering state and retarder 13, Fig. 8 (b) illustrates that axletree 9 is by the schematic diagram of steering hardware 30 to the state of a directional steering, and Fig. 8 (c) illustrates that axletree 9 is by the schematic diagram of steering hardware 30 to the state of another directional steering.Steering bogie 3 is provided with the steering hardware 30 that axletree 9 can be made to rotate to deflecting direction, is therefore installed on the relative displacement (Fig. 8 (b), Fig. 8 (c)) that fore-and-aft direction and the left and right directions caused because of steering hardware 30 can occur between the electrical motor 12 of truck frame 7 side and the retarder 13 being installed on axletree 9 side.
Here, Fig. 8 (a) illustrates the position relationship between electrical motor 12 under non-steering state and retarder 13, the turning center point O(0 when to overlook, 0) in the plane coordinate system of basic point, the center of the constant speed ball coupling 15 under non-steering state is set to B(x, y).In addition, non-steering state refers to the state that axletree 9 is parallel with crossbeam 7a, refers to the state that the axletree 9 of front side and the axletree 9 of rear side are parallel to each other.As shown in Figure 8 (b) shows, by by steering hardware 30(with reference to Fig. 1) make axletree 9 be set to B to the center of the constant speed ball coupling 15 during a directional steering 1(x 1, y 1), as shown in Fig. 8 (c), by by steering hardware 30(with reference to Fig. 1) make axletree 9 be set to B to the center of the constant speed ball coupling 15 during another directional steering 2(x 2, y 2), now, these values are represented by following mathematical expression 2 and mathematical expression 3.In addition, the deflection angle θ in mathematical expression 2 srepresent the permission deflection angle of the upper limit of deflection angle, this value depends on the structure of bogie truck 3 and the maximum curvature etc. of track that comprise steering hardware 30.
[mathematical expression 2]
[mathematical expression 3]
And, the allowable displacement of the fore-and-aft direction caused because of steering hardware 30 between electrical motor 12 and retarder 13 is being set to δ sx, and the allowable displacement of the left and right directions caused because of steering hardware 30 between electrical motor 12 and retarder 13 is set to δ sytime, these allowable displacements δ sx, δ syrepresented by following mathematical expression 4 and mathematical expression 5.
[mathematical expression 4]
[mathematical expression 5]
In such as said structure, for the steering bogie 3 of this example, by constant speed ball coupling 15 with the output shaft 28(of electrical motor 12 with reference to Fig. 2) permission off normal amount δ on the orthogonal direction of axis direction rset with the form of the condition meeting following mathematical expression 6.
[mathematical expression 6]
And, in the steering bogie 3 of this example, by the permission off normal amount δ of constant speed ball coupling 15 on the axis direction of the output shaft 8 of electrical motor 12 aset with the form of the condition meeting following mathematical expression 7.
[mathematical expression 7]
Specifically, the permission off normal amount δ of constant speed ball coupling 15 on the direction that the axis direction of the output shaft 28 with electrical motor 12 is orthogonal rbe set as the value of more than 17mm below 20mm, the permission off normal amount δ of constant speed ball coupling 15 on the axis direction of the output shaft 28 of electrical motor 12 abe set as the value of more than 15mm below 17mm.
According to structure described above, the coupler connected between the output shaft 28 of electrical motor 12 and the input shaft 29 of retarder 13 is constant speed ball coupling 15, therefore without the need to arranging backlash as existing WN coupler, sphere guiding can be carried out by ball 34 and allowing larger off normal with this.Therefore, when axletree 9 is diverted bogie truck 3 by curve, even if axletree 9 significantly relative displacement occurs relative to the electrical motor 12 supported by truck frame 7 on deflecting direction, constant speed ball coupling 15 also can be made to follow this displacement.And because constant speed ball coupling 15 can follow turning to of axletree 9, both of axletree 9 of the axletree 9 and rear side that therefore realize front side all become the axle drive shaft that can turn to.Consequently, the steering bogie 3 of the parallel universal type of drive of the cost increase that can suppress the change of the turning function caused because of travel direction and suppress railway vehicle 1 can be provided.
Again, the bearing of trend of groove portion 36a, 37a of constant speed ball coupling 15 urceolus 36,37 and the bearing of trend of inner core 31,32 groove portion 31b, 32b be not across towards equidirectional, therefore when these groove portions 31b, 32b, 36a, 37a are guided by ball 34,35 and make coupler 15 that off normal occur, at ball 34,35 and the structural drag reduction that occurs between groove portion 31b, 32b, 36a, 37a, constant speed ball coupling 15 off normal and successfully turning to significantly can be made when sharply turning.
Again, the permission off normal amount δ of constant speed ball coupling 15 r, δ aset with the condition of above-mentioned mathematical expression 6 and mathematical expression 7, and be greater than the allowable displacement between electrical motor 12 and retarder 13 caused because of axle box supportive device 17 and steering hardware 30, therefore can realize the driving bogie truck of the parallel universal type of drive can carrying out stable Turning travel.More specifically, by the permission off normal amount δ of constant speed ball coupling 15 on the direction orthogonal with the axis direction of output shaft 28 rbe set as the value of more than 17mm below 20mm, and by the permission off normal amount δ of constant speed ball coupling 15 on the axis direction of output shaft 28 abe set as the value of more than 15mm below 17mm, therefore constant speed ball coupling 15 allows the off normal of about 1.5 times compared to existing WN coupler, thus can realize the driving bogie truck of the parallel universal type of drive can carrying out stable Turning travel.
In addition, steering hardware 30 is formed as following structure: with the form that the axletree when overlooking 9 can intersect with the imaginary extended line VL of surperficial 27aa on overall width direction of close axletree 9 in the pars intermedia 27a of electrical motor 12 housing 27, axletree 9 is turned to, therefore can prevent the interference between the axletree 9 that causes because turning to and electrical motor 12, and each equipment being equipped on bogie truck 3 can be configured efficiently.
In addition, the invention is not restricted to above-mentioned example, can change, increase or delete its structure without departing from the spirit and scope of the invention.
Industrial applicability:
As mentioned above, there is according to the steering bogie of parallel universal type of drive of the present invention the effect of above-mentioned excellence, and useful when being widely used in the railcar bogie of the meaning that can play this effect.
Nomenclature:
1 railway vehicle;
2 vehicle bodies;
3 steering bogies;
7 truck frames;
9 axletrees;
12 electrical motors;
13 retarders;
15 constant speed ball couplings;
17 axle box supportive devices (suspension);
27 housings;
27a pars intermedia;
27b outside portion;
28 output shafts;
30 steering hardwarees;
31,32 inner cores;
34,35 balls;
36,37 urceolus;
38,39 retainers;
31b, 32b, 36a, 37a groove portion;
VL imagination extended line.

Claims (5)

1. a steering bogie for parallel universal type of drive, is the steering bogie of the parallel universal type of drive for railway vehicle, possesses:
For supporting the truck frame of the vehicle body of railway vehicle;
The first axletree configured along overall width direction in the front of vehicle lengthwise direction and rear and the second axletree;
Relative to described truck frame, both described first axletree and the second axletree are rotated and the steering hardware turned to;
Be configured in front and the rear of vehicle lengthwise direction under with the state being supported in described truck frame respectively, and there is the first electrical motor and second electrical motor of first output shaft parallel with described first axletree and the second axletree when non-turning to and the second output shaft respectively;
The first retarder be connected respectively with described first axletree and the second axletree and the second retarder;
Described first output shaft and the second output shaft are connected respectively with described first retarder and the second retarder, follow the rotation of described first axletree when turning to and the second axletree, make the first constant speed ball coupling and the second constant speed ball coupling that relative displacement occurs between described first output shaft and the second output shaft and described first retarder and the second retarder.
2. the steering bogie of parallel universal type of drive according to claim 1, is characterized in that,
Described first constant speed ratio coupling and the second constant speed ratio coupling have: the inner core possessing the outer peripheral face being formed with the groove portion extended in the axial direction; Possesses the urceolus of the inner peripheral surface being formed with the groove portion extended in the axial direction; The ball clamped by the described groove portion of described inner core and the described groove portion of described urceolus; And to be configured between described inner core and described urceolus and to keep the ball distance ring of described ball;
The described groove portion of described inner core and the described groove portion of described urceolus extend in the same direction.
3. the steering bogie of parallel universal type of drive according to claim 1 and 2, is characterized in that,
Also possesses the suspension that described first axletree and the second axletree are connected with described truck frame;
The allowable displacement in vertical caused because of described suspension between described first retarder and the second retarder and described first electrical motor and the second electrical motor is set to δ z, the allowable displacement in vehicle lengthwise direction caused because of described suspension between described first retarder and the second retarder and described first electrical motor and the second electrical motor is set to δ x, the allowable displacement on overall width direction caused because of described suspension between described first retarder and the second retarder and described first electrical motor and the second electrical motor is set to δ y, the allowable displacement in vehicle lengthwise direction caused because of described steering hardware between described first retarder and the second retarder and described first electrical motor and the second electrical motor is set to δ sx, the allowable displacement on overall width direction caused because of described steering hardware between described first retarder and the second retarder and described first electrical motor and the second electrical motor is set to δ sy;
Then described first constant speed ball coupling and the second constant speed ball coupling permission off normal amount δ on the direction orthogonal with the axis direction of described first output shaft and the second output shaft rbe set as δ r> (δ z 2+ (δ x+ δ sx) 2) 1/2;
Described first constant speed ball coupling and the second constant speed ball coupling permission off normal amount δ on the axis direction of described first output shaft and the second output shaft abe set as δ a> δ y+ δ sy.
4. the steering bogie of parallel universal type of drive as claimed in any of claims 1 to 3, is characterized in that,
Described first constant speed ball coupling and the second constant speed ball coupling permission off normal amount δ on the direction orthogonal with the axis direction of described first output shaft and the second output shaft rbe set as the value of more than 17mm below 20mm;
Described first constant speed ball coupling and the second constant speed ball coupling permission off normal amount δ on the axis direction of described first output shaft and the second output shaft abe set as the value of more than 15mm below 17mm.
5. the steering bogie of parallel universal type of drive as claimed in any of claims 1 to 4, is characterized in that,
Described first electrical motor and the second electrical motor have housing respectively;
Described housing have the zone line being positioned at its overall width direction pars intermedia and relative to the outside portion of described middle part in the exterior lateral area in overall width direction;
The surface of the close described axletree of described outside portion is arranged at compared with the surface of the close described axletree of described pars intermedia from the position away from described axletree;
Described steering hardware makes described axletree turn to following form: under the state guaranteeing gap between the surface of the close described axletree in described outside portion and described axletree, and when overlooking, described axletree can intersect with the imaginary extended line of surface on overall width direction of close described axletree in described pars intermedia.
CN201480011952.1A 2013-03-06 2014-03-05 The steering bogie of parallel universal type of drive Expired - Fee Related CN105008205B (en)

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JP2013-044297 2013-03-06
JP2013044297A JP6185727B2 (en) 2013-03-06 2013-03-06 Parallel cardan drive steering wheel
PCT/JP2014/001212 WO2014136449A1 (en) 2013-03-06 2014-03-05 Parallel cardan drive-type steering bogie

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112406910A (en) * 2020-10-20 2021-02-26 中车长江车辆有限公司 Suspension type rail transit system
CN114701533A (en) * 2022-04-08 2022-07-05 武汉理工大学 Steering error calibration control method applied to multi-connecting-rod type active radial bogie
CN114701532A (en) * 2022-04-08 2022-07-05 武汉理工大学 Multi-connecting-rod steering mechanism suitable for train bogie

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9688293B2 (en) * 2011-10-26 2017-06-27 Nippon Steel & Sumitomo Metal Corporation Method and device for steering truck of railway vehicle, and truck
CN102963388B (en) * 2012-07-10 2015-06-24 南车南京浦镇车辆有限公司 Flexible direct-drive type steering rack
JP6620007B2 (en) 2015-12-18 2019-12-11 川崎重工業株式会社 Railcar steering wheel
RU177632U1 (en) * 2017-02-20 2018-03-02 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ "Брянский государственный технический университет" Suspension of traction electric motors of a railway vehicle
RU189364U1 (en) * 2017-10-30 2019-05-21 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ "Брянский государственный технический университет" Traction drive locomotive
CN109780073B (en) * 2019-03-06 2024-04-09 杭州精通汽车零部件有限公司 Constant speed frame type universal joint fork assembly
RU2704653C1 (en) * 2019-03-07 2019-10-30 Федеральное государственное бюджетное образовательное учреждение высшего образования "Елецкий государственный университет им. И.А. Бунина" Locomotive wheel-motor unit
WO2022083251A1 (en) * 2020-10-20 2022-04-28 中车长江车辆有限公司 Central suspension device, bogie, and suspended rail transit system
FR3116255B1 (en) * 2020-11-13 2022-11-18 Alstom Transp Tech Railway vehicle bogie, railway vehicle and associated machining method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648326A (en) * 1985-02-22 1987-03-10 Lukens General Industries, Inc. Radial axle railway truck with axle couplings at sides transversely interconnected with each other
DE3725574C2 (en) * 1987-08-01 1990-05-10 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
CN1085858A (en) * 1992-05-26 1994-04-27 西屋电气公司 Forced steering truck system
JPH0744715U (en) * 1989-04-25 1995-11-28 ジエ・ウー・セー・アルストム・エス・アー A pivoting biaxial bogie that is pivotally mounted under the body of a railway vehicle.
JPH10297486A (en) * 1997-04-23 1998-11-10 Railway Technical Res Inst Truck for rolling stock
JP2008162455A (en) * 2006-12-28 2008-07-17 Kawasaki Heavy Ind Ltd Bogie for low-floor type railway vehicle
CN101588952A (en) * 2007-12-06 2009-11-25 韩国铁道技术研究院 Active steering bogie for railway vehicles using leverage
CN101968084A (en) * 2010-09-28 2011-02-09 镇江市华阳机电制造有限公司 Roller universal coupling

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810834A (en) * 1930-12-03 1931-06-16 William C Klein Roller-bearing free wheel drive
US2312924A (en) * 1942-03-12 1943-03-02 Gen Electric Locomotive drive arrangement
US3152558A (en) * 1962-08-23 1964-10-13 Westinghouse Electric Corp Traction power unit suspension
US4228739A (en) * 1977-07-01 1980-10-21 The Garrett Corporation Motorized railway truck articulated shaft housing
US4660476A (en) * 1984-03-29 1987-04-28 Franz Philip M Self-steering rail truck
DE3612811A1 (en) 1985-04-30 1986-11-06 Sig Schweizerische Industrie-Gesellschaft, Neuhausen Am Rheinfall Folding, sealing and transporting apparatus in a machine for the packaging of slabs
JP3122259B2 (en) 1992-10-27 2001-01-09 株式会社東芝 Truck with steering link
DE29506461U1 (en) * 1995-04-15 1995-06-22 Renk Tacke Gmbh Double joint coupling
DE59507963D1 (en) 1995-08-23 2000-04-13 Schweizerische Lokomotiv Drive for a rail vehicle with adjustable wheelsets and rail vehicle with such a drive
JP3448445B2 (en) 1997-01-17 2003-09-22 財団法人鉄道総合技術研究所 Steering device for bogies for railway vehicles
JPH11124033A (en) * 1997-10-23 1999-05-11 Fuji Heavy Ind Ltd Steering truck for railroad car
JP3498258B2 (en) * 1998-07-22 2004-02-16 日本車輌製造株式会社 2-axle bogie for railway vehicles
US6616538B2 (en) * 2000-02-16 2003-09-09 Delphi Technologies, Inc. Constant velocity stroking joint
JP4854944B2 (en) * 2004-09-16 2012-01-18 Ntn株式会社 Rail vehicle shaft couplings
JP2009038068A (en) 2007-07-31 2009-02-19 Nec Electronics Corp Semiconductor device and manufacturing method thereof
ES2642047T3 (en) 2007-09-21 2017-11-15 Nippon Steel & Sumitomo Metal Corporation Steering Bogie for rolling stock, rolling stock and articulated vehicle
US20110130212A1 (en) * 2008-07-28 2011-06-02 Mordehai Sholev Variable Axial-Angle Coupling
JP5512108B2 (en) * 2008-09-03 2014-06-04 新日鐵住金株式会社 Railroad vehicle steering carriage, railroad vehicle, articulated vehicle
JP5254058B2 (en) 2009-01-20 2013-08-07 公益財団法人鉄道総合技術研究所 Shaft box support device
WO2012137257A1 (en) * 2011-04-07 2012-10-11 川崎重工業株式会社 Railway bogie

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4648326A (en) * 1985-02-22 1987-03-10 Lukens General Industries, Inc. Radial axle railway truck with axle couplings at sides transversely interconnected with each other
DE3725574C2 (en) * 1987-08-01 1990-05-10 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
JPH0744715U (en) * 1989-04-25 1995-11-28 ジエ・ウー・セー・アルストム・エス・アー A pivoting biaxial bogie that is pivotally mounted under the body of a railway vehicle.
CN1085858A (en) * 1992-05-26 1994-04-27 西屋电气公司 Forced steering truck system
JPH10297486A (en) * 1997-04-23 1998-11-10 Railway Technical Res Inst Truck for rolling stock
JP2008162455A (en) * 2006-12-28 2008-07-17 Kawasaki Heavy Ind Ltd Bogie for low-floor type railway vehicle
CN101588952A (en) * 2007-12-06 2009-11-25 韩国铁道技术研究院 Active steering bogie for railway vehicles using leverage
CN101968084A (en) * 2010-09-28 2011-02-09 镇江市华阳机电制造有限公司 Roller universal coupling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112406910A (en) * 2020-10-20 2021-02-26 中车长江车辆有限公司 Suspension type rail transit system
CN114701533A (en) * 2022-04-08 2022-07-05 武汉理工大学 Steering error calibration control method applied to multi-connecting-rod type active radial bogie
CN114701532A (en) * 2022-04-08 2022-07-05 武汉理工大学 Multi-connecting-rod steering mechanism suitable for train bogie

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KR20150125695A (en) 2015-11-09
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WO2014136449A1 (en) 2014-09-12
EP2965966A4 (en) 2016-12-14
EP2965966B1 (en) 2020-10-21
CN105008205B (en) 2018-03-13
US9902407B2 (en) 2018-02-27
US20160023670A1 (en) 2016-01-28
KR101733602B1 (en) 2017-05-10
JP6185727B2 (en) 2017-08-23

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